.dialog {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
}

.dialog-content {
    background-color: #fefefe;
    margin: 15% auto;
    border: 1px solid #888;
    width: 350px;
    height: 300px;
}

.close-button {
    /* 关闭按钮的样式设置 */
    position: relative;
    float: right;
    width: 25px;
    padding: 0;
    margin: 0;
    border: none;
    cursor: pointer;
}

.close-button:hover {
    background-color: red;
}

button {
    margin-top: 10px;
}

input {
    vertical-align: sub;
}